import {
  Card,
  Breadcrumb,
  Form,
  Button,
  Radio,
  Input,
  Upload,
  Space,
  Select,
  message
} from 'antd'
import { PlusOutlined } from '@ant-design/icons'
import { Link, useSearchParams } from 'react-router-dom'
import './index.scss'
import ReactQuill from 'react-quill'
import 'react-quill/dist/quill.snow.css'
import { createArticleAPI, updateArticleAPI, getArticleByIdAPI } from '@/apis/article'
import { useEffect, useState } from 'react'
import { useChannel } from '@/hooks/useChannel'

const { Option } = Select

const Publish = () => {
  // 获取频道列表
  const { channelList } = useChannel()
  // 发布文章
  const onFinish = ({ title, content, channel_id }) => {
    if (imageType !== imageList.length) return message.warning('封面图片类型和图片数量不匹配')
    const params = {
      title,
      content,
      cover: {
        type: imageType,
        images: imageList.map(item => (item.response ? item.response.data.url : item.url))
      },
      channel_id
    }
    if (articleId) {
      // 1.更新文章
      updateArticleAPI({ ...params, id: articleId })
      message.success('更新成功')
    } else {
      // 2.创建文章
      createArticleAPI(params)
      message.success('发布成功')
    }
  }
  // 上传图片
  const [imageList, setImageList] = useState([])
  const onUploadChange = (val) => {
    setImageList(val.fileList)
  }
  // 切换图片类型
  const [imageType, setImageType] = useState(0)
  const onTypeChange = (e) => {
    setImageType(e.target.value)
  }
  // 获取路径参数
  const [searchParams] = useSearchParams()
  const articleId = searchParams.get('id')
  // 获取 Form 实例
  const [form] = Form.useForm()
  useEffect(() => {
    const getArticleByIdData = async () => {
      // 获取文章详情
      const res = await getArticleByIdAPI(articleId)
      const articleInfo = res.data
      const articleInfoCover = res.data.cover
      // 数据回填
      form.setFieldsValue({
        ...articleInfo,
        type: articleInfoCover.type
      })
      // 回填图片列表
      setImageType(articleInfoCover.type)
      // 回填图片
      setImageList(articleInfoCover.images.map(item => ({ url: item })))
    }
    articleId && getArticleByIdData()
  }, [articleId, form])
  return (
    <div className="publish">
      <Card
        title={
          <Breadcrumb items={[
            { title: <Link to={'/'}>首页</Link> },
            { title: articleId ? '编辑文章' : '创建文章' },
          ]}
          />
        }
      >
        <Form
          labelCol={{ span: 4 }}
          wrapperCol={{ span: 16 }}
          initialValues={{ type: 0 }}
          onFinish={onFinish}
          form={form}
        >
          <Form.Item
            label="标题"
            name="title"
            rules={[{ required: true, message: '请输入文章标题' }]}
          >
            <Input placeholder="请输入文章标题" style={{ width: 400 }} />
          </Form.Item>
          <Form.Item
            label="频道"
            name="channel_id"
            rules={[{ required: true, message: '请选择文章频道' }]}
          >
            <Select placeholder="请选择文章频道" style={{ width: 400 }}>
              {channelList.map(item => (<Option key={item.id} value={item.id}> {item.name} </Option>))}
            </Select>
          </Form.Item>
          <Form.Item label="封面">
            <Form.Item name="type">
              <Radio.Group onChange={onTypeChange}>
                <Radio value={1}>单图</Radio>
                <Radio value={3}>三图</Radio>
                <Radio value={0}>无图</Radio>
              </Radio.Group>
            </Form.Item>
            {imageType > 0 &&
              <Upload
                name="image"
                action={"http://geek.itheima.net/v1_0/upload"}
                onChange={onUploadChange}
                listType="picture-card"
                showUploadList
                maxCount={imageType}
                fileList={imageList}
              >
                <div style={{ marginTop: 8 }}>
                  <PlusOutlined />
                </div>
              </Upload>}

          </Form.Item>
          <Form.Item
            label="内容"
            name="content"
            rules={[{ required: true, message: '请输入文章内容' }]}
          >
            <ReactQuill
              className="publish-quill"
              theme="snow"
              placeholder="请输入文章内容"
            />
          </Form.Item>

          <Form.Item wrapperCol={{ offset: 4 }}>
            <Space>
              <Button size="large" type="primary" htmlType="submit">
                {articleId ? '更新文章' : '发布文章'}
              </Button>
            </Space>
          </Form.Item>
        </Form>
      </Card>
    </div >
  )
}

export default Publish